Question

Difference Between Roasting and Calcination process giving one example of each .

Answer 1

roasting is a process where ore is heated below its melting point in excess of oxygen.
rosting method is used to separate sulphide ore.
calcination is a process where ore is heated below its melting point in absence of oxygen.calcination is used to separate carbonate ore.

I HOPE IT IS HELPFULL TO U

mark me as brain list plzzz

Answer 2

Here is your answer

Roasting :- Sulphide ore is strongly heated in the presence of air and is converted into metal oxide. 

Examples of roasting

2Zns+202-------->3zn0+2so2

Calcination :- Carbonate ore when heated strongly in the absence of air is converted into metal oxide

Example of Calcination

Znco3-------->Zno+co2

Hope it helps you